Time Value of Money
Explore the concepts, calculations, and tradeoffs in this topic.
A practical guide to making informed financial decisions—available in paperback, Kindle, and audiobook formats.

Originally written to teach his children, Michael Tortorich's book offers readers a framework for evaluating major financial choices. Rather than telling you what to do, it teaches you how to work through the numbers behind the options.
Use the book with its companion Excel workbook and video lessons to explore the calculations yourself.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
Explore the concepts, calculations, and tradeoffs in this topic.
The audiobook includes interviews between Michael and Phil Shane between chapters and key sections, adding personal context, practical insight, and reflections on why the lessons matter.
Explore the audiobook ↗The goal is to understand the framework, apply it to your own decisions, and know what drives the numbers.